2KXW

Structure of the C-domain Fragment of apo Calmodulin Bound to the IQ motif of Nav1.2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Calmodulin	polymer	73	8416.3	1	UniProt (P07463) Pfam (PF13499) In PDB	Paramecium tetraurelia	CaM
2	B	Sodium channel protein type 2 subunit alpha	polymer	27	3370.1	1	UniProt (P04775) In PDB	Rattus norvegicus	Sodium channel protein type II subunit alpha, Voltage-gated sodium channel subunit alpha Nav1.2, Sodium channel protein brain II subunit alpha

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	11786.4
All*	Total formula weight	11786.4

*Water molecules are not included.